DE HAERT, Matthys The De Haerts were among the wealthy citizens of New Amsterdam; Balthazar De Haert was one of the leading citizens who aided the city by lending money for repairing defences in 1664.. He gave 250 fl. Matthys was included among the "best and most affluent inhabitants" in 1674 hisproperty being valued at 12,000 fl., while Balthazar De Haert's house was deemed to be worth 2,000 fl. The "Widdow Matthias Dehart" in 1676 was worth ~1200, while a Daniel De Haert was taxed ~3. 15s. on property assessed at ~600.